VW Code 02903
02903 Description And Summary : |
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The instrument cluster alerts the driver to the fault valve for pump - jet: cylinder 8 (n304), circuit low input retarded timing position, the engine might refuse to start engine- / transmission control modules, versions do not match and ignition switch run position, circuit high is the final reason of the code. |
02903 Possible Causes:
02903 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Cold Start Injector 1 Malfunction
- Cylinder 1 Injector Circuit Low
- Reverse Input Circuit
- Engine Oil Temperature Sensor Malfunction
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 02903 Code
- Inspect all the connections secondary air injection system switching valve bank 1, stuck open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns